ThousandShores via Amazon offers the Dr. Meter 16.4-Foot Endoscope for $26.99. Coupon code "JWQOVRPX" cuts the price to $20. With free shipping, that's tied with last month's mention, $7 off list, and the lowest price we could find. It features an 8mm 2-megapixel camera, eight dimmable LEDs, semi-rigid cable, mirror, magnet, and hook. Deal ends August 31.